<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="../node_modules/vue/dist/vue.js"></script>
</head>
<body>
    <div id="app">
        <task @notify="onNotify">this is slot</task>
    </div>
    <script src="main.js"></script>
</body>
</html>